HV511

The HV511 is a triode made by de Forest. No additional data available. The 511 has been described as a 211 type so the HV511 may be a 211 with plate and grid caps designed for diathermy service.

Length = 8.25 " Diameter = 2.13"
Max voltage =
Max current =
Fil voltage =
Fil current =         GOTO INDEX